2020 RAM 1500 engine and engine cooling problems
10 owner complaints filed with NHTSA name the engine and engine cooling on the 2020 RAM 1500 — 2% of all complaints for this model year.
What owners report
“The contact owns a 2020 Ram 1500. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic, who replaced an unknown part, but the failure persisted. The vehicle was then taken to the dealer, and it…”
filed Jul 20, 2026
“The contact owns a 2020 Ram 1500. The contact stated that while the vehicle was parked or while driving, the contact smelled an abnormal exhaust odor, and there was a rattling sound coming from the exhaust manifolds. A dealer was not contacted. The vehicle was not taken to the dealer or an…”
filed Dec 18, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine and Engine Cooling problems in other 1500 years
| Year | Reports | Share |
|---|---|---|
| 2025 1500 | 6 | 2% |
| 2023 1500 | 1 | 1% |
| 2022 1500 | 3 | 1% |
| 2021 1500 | 4 | 1% |
| 2019 1500 | 16 | 1% |
| 2018 1500 | 45 | 7% |
| 2017 1500 | 32 | 4% |
| 2016 1500 | 60 | 4% |
| 2015 1500 | 61 | 4% |
| 2014 1500 | 50 | 3% |
| 2013 1500 | 8 | 1% |
Other reported problem areas on the 2020 RAM 1500
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.